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Purification by Fractional distillation/crystallisation
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1)The greater the surface area of the packing of the fractionating column,
  

2)When the vapour pressure of a liquid equals atm pressure, the temperature of the liquid equals: 
  

3)The separation technique shown in the diagram is 
  

4)Two completely miscible liquids can be separated by 
  

5)In distillation of a mixture of two components, the first compound to condense into the receiving flask will be: 
  


  


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